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HD29051
Dual Differential Line Drivers / ReceiversWith 3 State Outputs The HD29051 features differential line drivers / receivers with three state output designed to meet the spec of EIA RS–422A and 423A. Each device has two drivers / receivers in a 16 pin package. The device becomes in enable state when active high for a driver and active low for a receiver.
Pin Arrangement
R1B R1A R1Y 1 2 3 16 VCC 15 D1A 14 D1Y 13 D1Z 12 D2 Enable 11 D2Z 10 D2Y 9 D2A
D1 4 Enable R2Y 5 6 7 8 (Top View)
Features
Driver • Built in current restriction when short circuit • Power up / down protection. • High output current IOH = –40 mA IOL = 40 mA Receiver • Input hysteresis (Typ. 50 mV) • In phase input voltage ±200 mV of input sensitivity in the range –7 to +12 V.
HD29051 Datasheet
